Publications

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2013
R. J. Motyka, Dryer, W. P., Amundson, J. M., Truffer, M., and Fahnestock, M., “Rapid Submarine Melting Driven by Subglacial Discharge, LeConte Glacier, Alaska”, Geophysical Research Letters, vol. 40, 2013.
J. Mortensen, Bendtsen, J., Motyka, R. J., Lennert, K., Truffer, M., Fahnestock, M., and Rysgaard, S., “On the seasonal freshwater stratification in the proximity of fast-flowing tidewater outlet glaciers in a sub-Arctic sill fjord”, Journal of Geophysical Research: Oceans, vol. 118, pp. 1382–1395, 2013.
2012
T. Sato, Miura, S., Sun, W., Sugano, T., Freymueller, J. T., Larsen, C. F., Ohta, Y., Fujimoto, H., Inazu, D., and Motyka, R. J., “Gravity and uplift rates observed in southeast Alaska and their comparison with GIA model predictions”, Journal of Geophysical Research, vol. 117, p. B01401, 2012.
2011
A. Post, OʼNeel, S., Motyka, R. J., and Streveler, G., “A complex relationship between calving glaciers and climate”, Eos, Transactions American Geophysical Union, vol. 92, pp. 305–306, 2011.
W. Colgan, Steffen, K., McLamb, W. Scott, Abdalati, W., Rajaram, H., Motyka, R. J., Phillips, T., and Anderson, R. S., “An increase in crevasse extent, West Greenland: Hydrologic implications”, Geophysical Research Letters, vol. 38, p. n/a–n/a, 2011.
T. Sato, Larsen, C. F., Miura, S., Ohta, Y., Fujimoto, H., Sun, W., Motyka, R. J., and Freymueller, J. T., “Reevaluation of the viscoelastic and elastic responses to the past and present-day ice changes in Southeast Alaska”, Tectonophysics, vol. 511, pp. 79–88, 2011.
R. J. Motyka, Truffer, M., Fahnestock, M., Mortensen, J., Rysgaard, S., and Howat, I. M., “Submarine melting of the 1985 Jakobshavn Isbræ floating tongue and the triggering of the current retreat”, Journal of Geophysical Research, vol. 116, p. F01007, 2011.
2010
J. M. Amundson, Fahnestock, M., Truffer, M., Brown, J., Lüthi, M. P., and Motyka, R. J., “Ice mélange dynamics and implications for terminus stability, Jakobshavn Isbræ, Greenland”, Journal of Geophysical Research, vol. 115, p. F01005, 2010.
J. L. Elliott, Larsen, C. F., Freymueller, J. T., and Motyka, R. J., “Tectonic block motion and glacial isostatic adjustment in southeast Alaska and adjacent Canada constrained by GPS measurements”, Journal of Geophysical Research, vol. 115, p. B09407, 2010.
R. J. Motyka, Fahnestock, M., and Truffer, M., “Volume change of Jakobshavn Isbrae, West Greenland:: 198519972007”, Journal of Glaciology, vol. 56, pp. 635–646, 2010.
2009
M. Truffer, Motyka, R. J., Hekkers, M., Howat, I. M., and King, M. A., “Terminus dynamics at an advancing glacier: Taku Glacier, Alaska”, Journal of Glaciology, vol. 55, pp. 1052–1060, 2009.
2008
W. Harrison, Motyka, R. J., and Truffer, M., “Correspondence: Another surge of Variegated Glacier, Alaska, USA, 2003/04”, Journal of Glaciology, vol. 54, pp. 192-200, 2008.
J. M. Amundson, Truffer, M., Lüthi, M. P., Fahnestock, M., West, M., and Motyka, R. J., “Glacier, fjord, and seismic response to recent large calving events, Jakobshavn Isbræ, Greenland”, Geophysical Research Letters, vol. 35, p. L22501, 2008.
J. B. Ritchie, Lingle, C. S., Motyka, R. J., and Truffer, M., “Seasonal fluctuations in the advance of a tidewater glacier and potential causes: Hubbard Glacier, Alaska, USA”, Journal of Glaciology, vol. 54, pp. 401–411, 2008.
2007
E. S. Boyce, Motyka, R. J., and Truffer, M., “Flotation and retreat of a lake-calving terminus, Mendenhall Glacier, southeast Alaska, USA”, Journal of Glaciology, vol. 53, pp. 211–224, 2007.
C. F. Larsen, Motyka, R. J., Arendt, A. A., Echelmeyer, K. A., and Geissler, P. E., “Glacier changes in southeast Alaska and northwest British Columbia and contribution to sea level rise”, J. Geophys. Res, vol. 112, p. F01007, 2007.
C. S. Benson, Motyka, R. J., McNUTT, S., Lüthi, M. P., and Truffer, M., “Glaciervolcano interactions in the North Crater of Mt Wrangell, Alaska”, Annals of Glaciology, vol. 45, pp. 48–57, 2007.
R. J. Motyka and Truffer, M., “Hubbard Glacier, Alaska: 2002 closure and outburst of Russell Fjord and postflood conditions at Gilbert Point”, Journal of geophysical research, vol. 112, p. F02004, 2007.
R. J. Motyka, Larsen, C. F., Freymueller, J. T., and Echelmeyer, K. A., “Post Little Ice Age Glacial Rebound in Glacier Bay National Park and Surrounding Areas”, Alaska Park Science, vol. 6, pp. 36–41, 2007.
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G. Wieczorek, Geist, E., Motyka, R. J., and Jakob, M., “Hazard assessment of the Tidal Inlet landslide and potential subsequent tsunami, Glacier Bay National Park, Alaska”, Landslides, vol. 4, pp. 205-215.
R. J. Motyka, Lawson, D., Finnegan, D., Kalli, G., Molnia, B., and Arendt, A. A., “Hubbard Glacier update: another closure of Russell Fiord in the making?”, Journal of Glaciology, vol. 54, pp. 562-564.